package com.wondertek.common.util.trace;

import com.wondertek.common.base.Result;
import org.slf4j.MDC;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;


@SuppressWarnings("all")
@RestControllerAdvice
public class TraceIdResponse implements ResponseBodyAdvice<Result<?>> {

    @Override
    public boolean supports(MethodParameter returnType, Class<? extends HttpMessageConverter<?>> converterType) {
        return returnType.getParameterType().equals(Result.class);
    }

    @Override
    public Result<?> beforeBodyWrite(Result<?> body, MethodParameter returnType, MediaType selectedContentType, Class<? extends HttpMessageConverter<?>> selectedConverterType, ServerHttpRequest request, ServerHttpResponse response) {
        if(body!=null){
            body.setTraceId(MDC.get("traceId"));
        }
        return body;
    }

}
